Geometry Vocab

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Across
  1. 3. When a pair of adjacent angles form a straight angle.
  2. 6. The distance around a circle
  3. 7. When you flip the top and bottom of a fraction
  4. 10. A ray that divides an angle into two congruent angles
  5. 11. A segment in a triangle whose endpoints are a vertex and the midpoint of the opposite side
  6. 12. When two angles add up to 90 degrees
  7. 14. A line with one direction
  8. 17. An angle less than 90 degrees
  9. 18. When two points are the same distance from an object
  10. 20. When two angles add up to 180 degrees
Down
  1. 1. An angle greater than 90 degrees
  2. 2. Point of concurrency of the perpendicular bisectors of a triangle
  3. 4. A ray that is perpendicular to a line segment at its midpoint.
  4. 5. Point of concurrency of the angle bisectors of a triangle (where they all meet)
  5. 8. When two lines never touch
  6. 9. Corner of a figure
  7. 13. The distance from the center of a circle to the outside of a circle
  8. 15. Point of concurrency of the altitudes of a triangle
  9. 16. Line from a vertex of a triangle to the opposite side that is perpendicular to the side.
  10. 19. Point of concurrency of the medians of a triangle